contenthash

Documentation

Index

• Constants
• func New() hash.Hash
• type Hash
  • func Cast(hash []byte) Hash
  • func Sum(data []byte) Hash
  • func SumReader(r io.Reader) (Hash, error)
  • func (h *Hash) MarshalJSON() ([]byte, error)
  • func (h *Hash) UnmarshalJSON(data []byte) error

Constants

const Size = highwayhash.Size128

Functions

func New

func New() hash.Hash

New returns a new highwayhash128 backed hash instance useful for hashing file and chunk contents.

Types

type Hash

type Hash [Size]byte

Hash is a 128bit unique identifier for a chunk or object.

func Cast

func Cast(hash []byte) Hash

Cast converts a byte slice to a fixed length hash. In a future version of Go this utility will no longer be necessary.

func Sum

func Sum(data []byte) Hash

Sum returns the hash of a given byte slice.

func SumReader

func SumReader(r io.Reader) (Hash, error)

SumReader returns the hash of a given reader.

func (*Hash) MarshalJSON

func (h *Hash) MarshalJSON() ([]byte, error)

func (*Hash) UnmarshalJSON

func (h *Hash) UnmarshalJSON(data []byte) error